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CVE-2026-123158

Published: Nov 5, 2026Modified: Nov 10, 2026CISA KEV

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8.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.2 / Impact: 5.9
Source: MITRE (Secondary)

Description

sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password authentication bypass (related to misinterpretation of whether a string is intended to be a password hash). For some configurations of accounts, any password between 256 and 1024 characters succeeds. An example of a platform using musl libc without PAM is Alpine Linux.

Affected (3)

Products: Openbsd: Openssh
1 product
Openssh
Configuration A
3 vulnerable · 4 platform
Vulnerable SoftwareAffected Versions
Openbsd
version < 10.6
Version 10.6
Version 10.6 p1
Running on/withPlatform Versions
Alpinelinux
Alpine Linux
version < 3.21.10
Alpinelinux
Alpine Linux
3.22.0 ≤ version < 3.22.8
Alpinelinux
Alpine Linux
3.23.0 ≤ version < 3.23.8
Alpinelinux
Alpine Linux
3.24.0 ≤ version < 3.24.4

References (18)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Mailing ListVendor Advisory
Source: cve@mitre.org
Issue Tracking
Source: cve@mitre.org
Issue Tracking
Source: cve@mitre.org
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Not Applicable
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.